/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */

package servlets.gp.consultation;

import be.ugent.medirem.logic.GpRemote;
import be.ugent.medirem.logic.PatientRemote;
import be.ugent.medirem.persistence.entity.details.ConsultationDetails;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Comparator;
import java.util.List;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

/**
 *
 * @author Simon
 */
public class ConsultationServlet extends HttpServlet {
    @EJB
    private PatientRemote patientBean;
    @EJB
    private GpRemote gpBean;
   
    /** 
     * Processes requests for both HTTP <code>GET</code> and <code>POST</code> methods.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        String username = request.getUserPrincipal().getName();
        Long id = gpBean.getGpId(username);
        request.getSession().removeAttribute("pid");
        List<ConsultationDetails> list = gpBean.getConsultations(id);


        Collections.sort(list, new Comparator<ConsultationDetails>() {

            public int compare(ConsultationDetails o1, ConsultationDetails o2) {
                return o1.getDate().compareTo(o2.getDate());
            }

        });

        String [] names = new String [list.size()];
        int i = 0;
        for (ConsultationDetails c : list) {
            try {
                names[i] = patientBean.getPatientDetails(c.getPatientId()).getName();
            } catch (Exception e) {
                names[i] = "";
            }
            i++;
        }

        request.setAttribute("consultations", list);
        request.setAttribute("patients", names);
        request.getRequestDispatcher("/gp/consultation/list.jsp").forward(request, response);
    } 

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /** 
     * Handles the HTTP <code>GET</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    } 

    /** 
     * Handles the HTTP <code>POST</code> method.
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
    throws ServletException, IOException {
        processRequest(request, response);
    }

    /** 
     * Returns a short description of the servlet.
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>

}
